DE2556769B1 - SEAL FOR SEALING A UNIVERSAL JOINT - Google Patents
SEAL FOR SEALING A UNIVERSAL JOINTInfo
- Publication number
- DE2556769B1 DE2556769B1 DE19752556769 DE2556769A DE2556769B1 DE 2556769 B1 DE2556769 B1 DE 2556769B1 DE 19752556769 DE19752556769 DE 19752556769 DE 2556769 A DE2556769 A DE 2556769A DE 2556769 B1 DE2556769 B1 DE 2556769B1
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- seal
- sealing
- sealing lip
- lubricant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000007789 sealing Methods 0.000 title claims description 37
- 239000000314 lubricant Substances 0.000 claims description 19
- 230000000284 resting effect Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000003860 storage Methods 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7809—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for needle roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
- F16C21/005—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement the external zone of a bearing with rolling members, e.g. needles, being cup-shaped, with or without a separate thrust-bearing disc or ring, e.g. for universal joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/385—Bearing cup; Bearing construction; Bearing seal; Mounting of bearing on the intermediate member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
- F16D3/41—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes with ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
- F16J15/3236—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/41—Couplings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/907—Passageway in rod or shaft
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Bearings For Parts Moving Linearly (AREA)
Description
Die Erfindung betrifft eine Dichtung zur Abdichtung eines Kreuzgelenkes, bei dem auf dem Zapfen des Zapfenkreuzes Wälz- oder Gleitkörper enthaltende hohlzylindrische Lagerkörper angeordnet sind, die gegenüber dem Zapfenkreuz durch eine elastische in den Lagerinnenraum hineinreichende Dichtung abgedichtet sind, welche auf ihrer der ringförmigen Stirnfläche des Lagerkörpers zugewandten Seite mindestens eine Vorkammer und eine an der inneren Mantelfläche des Lagerkörpers anliegende Dichtlippe aufweist, wobei die Dichtlippe gegen die Mantelfläche des Lagerkörpers vom Lagerinnenraum aus gemessen unter einem Winkel, der kleiner als 90° ist, verläuft.The invention relates to a seal for sealing a universal joint, in which on the pin of the Hollow cylindrical bearing bodies containing journal crosses rolling or sliding bodies are arranged, which sealed against the journal cross by an elastic seal reaching into the interior of the bearing are on their side facing the annular end face of the bearing body at least one prechamber and one sealing lip resting on the inner surface of the bearing body having, the sealing lip measured against the outer surface of the bearing body from the bearing interior at an angle smaller than 90 °.
Es sind Dichtringe bekannt (DT-PS 20 60 207), bei denen die Dichtringe als Stopfen in der Lagerbüchse mit festem Paßsitz eingepreßt werden. Zur Unterstützung dieses Einpreßvorganges dient die abgerundete der Lagerbüchse zugewandte Schulter und der eine Formbeständigkeit erzeugende, an den Dichtring angeklebte Stützring. Damit sitzt der Dichtring fest in der Lagerbüchse und dreht sich auf dem Kreuzzapfen. Der Nachteil dieser Dichtung liegt darin, daß zwar ein Nachschmieren über die Dichtlippe möglich ist, jedoch ist es nicht möglich, Schmierstoffe zu den an den Kreuzzapfen anliegenden Dichtlippen zu befördern, so daß die Dichtlippen, wenn sie einmal trocken gelaufen sind, keine Schmierstoffzufuhr mehr erhalten.Sealing rings are known (DT-PS 20 60 207), in which the sealing rings are used as plugs in the bearing bush be pressed in with a tight fit. The rounded is used to support this press-in process Bearing bush facing shoulder and a dimensional stability generating, on the sealing ring glued support ring. The sealing ring is thus firmly seated in the bearing bush and rotates on the cross pin. The disadvantage of this seal is that, although relubrication via the sealing lip is possible, it does if it is not possible to deliver lubricants to the sealing lips resting on the cross pin, see above that the sealing lips, once they have run dry, no longer receive any lubricant supply.
Des weiteren sind Dichtringe bekannt (z. B. GB-PS 13 78184), bei denen von Nachteil ist, daß beim Nachschmieren des Zapfenkreuzes das überschüssige Schmiermittel sehr schwer oder teilweise gar nicht nach außen gelangen kann, da, wenn das Schmiermittel vom Lagerinnenraum her gegen die Dichtlippe drückt, sich diese gegen die Bördelkante der Lagerbüchse legt und so den Weg vom Lagerinnenraum nach außen verschließt Das hat zur Folge, daß entweder nur ungleichmäßiges oder überhaupt kein Abschmieren einzelner oder aller Zapfen erfolgt. Hierdurch besteht die Gefahr der Zerstörung einzelner Lager und somit Ausfall der Kupplung.Furthermore, sealing rings are known (z. B. GB-PS 13 78184), the disadvantage of which is that when Relubricating the journal cross is very difficult or sometimes not at all to relubricate the excess lubricant can get outside, because when the lubricant presses against the sealing lip from the bearing interior, it can this lays against the flanged edge of the bearing bush and so the way from the bearing interior to the outside This has the consequence that either only uneven lubrication or no lubrication at all individual or all pins takes place. This creates the risk of destruction of individual bearings and thus Failure of the clutch.
Des weiteren sind Dichtringe mit vorgeschaltetem, korrosionsbeständigem Blechring bekannt. Nachteilig sind hierbei die hohen Herstellungskosten und die Einengung des Bauraumes, so daß diese Kreuzzapfen bedingt durch die geringere Größe eine reduzierte Festigkeit aufweisen.Sealing rings with an upstream, corrosion-resistant sheet metal ring are also known. Disadvantageous are here the high manufacturing costs and the narrowing of the installation space, so that these cross pins have a reduced strength due to their smaller size.
Hiervon ausgehend ist es Aufgabe der Erfindung,Starting from this, the object of the invention is
einen einfachen aber sicheren Dichtring zu finden, der eine einwandfreie Schmierung der Zapfen für lange Zeitto find a simple but secure sealing ring that will ensure proper lubrication of the pin for a long time
ίο gewährleistet und außerdem eine Nachschmierung zuläßt.ίο guaranteed and also relubrication allows.
Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Dichtlippe die Form einer ringförmigen Membrane aufweist und die Dichtung fest auf dem Zapfen angeordnet ist.The object is achieved according to the invention in that the sealing lip has the shape of an annular Has membrane and the seal is fixedly arranged on the pin.
Von Vorteil bei dieser erfindungsgemäßen Ausbildung ist, da die Dichtung sich auf dem Kreuzzapfen nicht dreht, wird an dieser Zapfenschulter auch kein Schmiermittel benötigt und es ist an dieser Seite nicht mit Verschleiß zu rechnen. Des weiteren ist der Lagerinnenraum in zwei voneinander getrennte Schmierstoffkammern unterteilt, von denen die erste Kammer die eigentliche Lagerung umfaßt, während die zweite Kammer von der ersten durch eine Dichtlippe abgetrennt ist, die beim Abschmieren keinen Gegendruck erzeugt und nach erfolgter Abschmierung wieder zurückfedert. Die Dichtlippe arbeitet als Rückschlagsicherung, sie läßt überschüssiges Schmiermittel nur in einer Richtung von innen nach außen passieren. Hierdurch ist gewährleistet, daß keine Verschmutzung von außen in das eigentliche Lager eindringen kann.The advantage of this design according to the invention is that the seal is on the cross pin does not rotate, no lubricant is required on this journal shoulder and it is not on this side expect wear and tear. Furthermore, the storage interior is divided into two Divided lubricant chambers, of which the first chamber includes the actual storage, while the The second chamber is separated from the first by a sealing lip that does not have any counterpressure when lubricating generated and springs back after lubrication. The sealing lip works as a kickback protection, it only allows excess lubricant to pass in one direction from the inside to the outside. This ensures that no external contamination can penetrate the actual bearing.
Die Ausbildung der Dichtung bietet auch dieThe formation of the seal also offers that
Möglichkeit, daß der axial in den Lagerinnenraum hineinragende Teil der Dichtung zur Abstützung der Wälzkörper verwendet werden kann, wodurch der Dichtring gleichzeitig als Lagerstützring arbeitet und die Nadeln der Lagerung axial sicher führt, und daß der radial nach außen gerichtete Teil der Dichtung in axialer Richtung eine Verlängerung aufweisen kann, deren Enden mit einer ringförmigen Verdickung versehen ist und in einer Nut der Lagerbüchse gehalten ist.Possibility that the axially protruding into the bearing interior part of the seal to support the Rolling elements can be used, whereby the sealing ring also works as a bearing support ring and the needles of the storage guide axially safe, and that the radially outward part of the seal in the axial Direction may have an extension, the ends of which is provided with an annular thickening and is held in a groove in the bearing bush.
Weiterhin ist vorgesehen, daß die Schmierstoffhauptkammern durch Kanäle verbunden sind. Hierdurch gelangt das Schmiermittel ohne Gegendruck durch die Vorkammern zu der äußeren Dichtkante, die auffedert und das überschüssige Schmiermittel austreten läßt, jedoch den Innenraum gegen Staub und Wasser abdichtet.It is also provided that the main lubricant chambers are connected by channels. Through this the lubricant passes through the antechambers without counter pressure to the outer sealing edge, which springs open and the excess lubricant can escape, but the interior against dust and water seals.
Bevorzugte Ausführungsbeispiele nach der Erfindung sind in den Zeichnungen schematisch dargestellt. Es zeigtPreferred embodiments according to the invention are shown schematically in the drawings. It shows
F i g. 1 eine Gelenkwelle, deren Enden Kreuzgelenke tragen,F i g. 1 a cardan shaft, the ends of which have universal joints,
F i g. 2 ein Kreuzgelenk geschnitten in der Ebene der Zapfen,F i g. 2 a universal joint cut in the plane of the tenons,
F i g. 3 einen Schnitt A-A gemäß F i g. 2,
F i g. 4 einen Lagerzapfen mit Nadellagerung, Lagerbüchse und Dichtung, axial geschnitten,F i g. 3 shows a section AA according to FIG. 2,
F i g. 4 a bearing journal with needle bearing, bearing bush and seal, axially cut,
F i g. 5 einen Schnitt im Prinzip wie in F i g. 4, jedoch mit einem Dichtring dessen äußere Dichtkante auf der Stirnfläche der Lagerbüchse anliegt,F i g. 5 shows a section in principle as in FIG. 4, but with a sealing ring whose outer sealing edge on the The face of the bearing bush is in contact,
F i g. 6 einen Schnitt im Prinzip wie in F i g. 4, jedoch mit einem Dichtring, der zwei Schmierstoffvorkammern aufweist.F i g. 6 shows a section in principle as in FIG. 4, but with a sealing ring, the two lubricant pre-chambers having.
Die in F i g. 1 gezeigte Gelenkwelle umfaßt zwei koaxiale Gelenkabschnitte 1 und 2, die an ihren äußeren Enden Kreuzgelenke 3 und 4 tragen. Der Gelenkwellenabschnitt 1 ist an seinem inneren Ende als Vollwelle 5The in F i g. 1 shown cardan shaft comprises two coaxial joint sections 1 and 2, which at their outer End of universal joints 3 and 4 wear. The drive shaft section 1 is a solid shaft 5 at its inner end
und der Gejenkwellenabschnitt 2 als Hohlwelle 6 ausgebildet. Über eine Keilwellenverzahnung 7 sind Vollwelle 5 und Hohlwelle 6 miteinander undrehbar, jedoch axial verschiebbar verbunden.and the Gejenkwelle section 2 designed as a hollow shaft 6. About a spline 7 are Solid shaft 5 and hollow shaft 6 are non-rotatably connected to one another, but are axially displaceably connected.
In F i g. 2 und 3 ist ein Kreuzgelenk dargestellt, bei dem der Körper des Zapfenkreuzes mit 8, die auf dessen vier Zapfen 9,10 angeordneten Lagerkörper mit 11,12 und die zugeordneten Gelenkgabeln mit 13, 14 bezeichnet sind.In Fig. 2 and 3, a universal joint is shown, in which the body of the cross member with 8, which is on its four journals 9, 10 arranged bearing bodies with 11, 12 and the associated joint forks with 13, 14 are designated.
Die Lagerkörper 11,12 werden in den Bohrungen der Gelenkgabeln 13, 14 durch Sprengringe 15 gehalten. Durch die Zapfen 9, 10 des Körpers 8 verlaufen Bohrungen 17 hindurch bis in den Hohlraum 18 des Körpers 8 hinein. Dieser Hohlraum 18 dient als Schmiermittelreservoir und ist durch einen Schmierkopf 19 verschlossen. Beim Abschmieren kann das überschüssige Fett an dem Dichtring 20 vorbei ins Freie gelangen, von außen kann jedoch kein Schmutz oder Wasser in den Lagerraum gelangen.The bearing bodies 11, 12 are held in the bores of the joint forks 13, 14 by snap rings 15. Bores 17 run through the pins 9, 10 of the body 8 into the cavity 18 of the Body 8 into it. This cavity 18 serves as a lubricant reservoir and is through a lubricating head 19 locked. When lubricating the excess grease can get past the sealing ring 20 into the open, However, no dirt or water can get into the storage room from the outside.
Der in Fig.4 gezeigte, auf dem Zapfen 9, 10 aufgepreßte Dichtring 20 besteht im wesentlichen aus dem axial in den Lagerraum 21 hineinragenden Teil 22, welcher mit seiner Stirnfläche 23 die Wälzkörper 24 abstützt. Am Teil 22 befindet sich radial nach außen gerichtet die Dichtlippe 25, die im Prinzip einer Rückschlagsicherung arbeitet und das Schmiermittel nur in einer Richtung passieren läßt, und zwar vom Lagerinnenraum 21 in die durch die Dichtlippe 25 abgetrennte Schmiermittelhauptkammer 26 des Lagerinnenraumes 21. Nach Passieren des Schmiermittels federt die Dichtlippe zurück. Als Auflager der Lagerkörper 11,12 auf dem Kreuzzapfenkörper 8 dient der Mittelteil 27 des Dichtringes 20. Beim Abschmiervorgang gelangt das Schmiermittel durch Kanäle 28,31 des Mittelteils 27 in die Vorkammer 29 und anschließend an dem mit einer ringförmigen Verdickung 30 versehenen radialen nach außen gerichteten Teil 34 vorbei ins Freie.The sealing ring 20 shown in FIG. 4 and pressed onto the pin 9, 10 consists essentially of the part 22 which protrudes axially into the storage space 21 and which, with its end face 23, supports the rolling elements 24 supports. On part 22 is directed radially outwardly the sealing lip 25, which in principle is a Kickback protection works and only allows the lubricant to pass in one direction, namely from the Bearing interior 21 into the main lubricant chamber 26 of the bearing interior, separated by the sealing lip 25 21. After the lubricant has passed through, the sealing lip springs back. As a support of the Bearing body 11,12 on the cross pin body 8 is used the middle part 27 of the sealing ring 20. During the lubrication process, the lubricant passes through channels 28, 31 of the middle part 27 into the antechamber 29 and then to the one with an annular thickening 30 provided radial outward part 34 over into the open.
Die Verdickung 30 dient bei dieser Ausführung zur Befestigung des Dichtringes 20 am Lagerkörper 11,12. Von außen eingedrungenes Wasser oder Schmutz sammelt sich in der Vorkammer 29 und gelangt somit nicht in den Lagerraum 21.In this embodiment, the thickening 30 serves to fasten the sealing ring 20 to the bearing body 11, 12. Any water or dirt that has penetrated from the outside collects in the antechamber 29 and thus gets there not in storage room 21.
Im Beispiel nach F i g. 5 liegt der radial nach außen gerichtete Teil 34 auf der Stirnfläche des Lagerkörpers 11,12 an und übernimmt somit die Abdichtungsfunktion nach außen. Beim Nachschmieren federt Teil 32 auf, läßt das überschüssige Schmiermittel austreten und federt anschließend zurück, wodurch Staub und Wasser nicht eintreten kann. F i g. 6 zeigt einen Dichtring 20, der eine zusätzliche Vorkammer 33 besitzt, ansonsten jedoch wie der in F i g. 5 gestaltet ist.In the example according to FIG. 5, the radially outwardly directed part 34 lies on the end face of the bearing body 11,12 and thus takes over the sealing function outward. When relubricating, part 32 springs open, allows the excess lubricant to escape and springs then back, preventing dust and water from entering. F i g. 6 shows a sealing ring 20, the one has additional antechamber 33, but otherwise like that in FIG. 5 is designed.
Hierzu 4 Blatt ZeichnungenFor this purpose 4 sheets of drawings
Claims (2)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752556769 DE2556769B1 (en) | 1975-12-17 | 1975-12-17 | SEAL FOR SEALING A UNIVERSAL JOINT |
| FR7631147A FR2336863A7 (en) | 1975-12-17 | 1976-10-15 | SEALING DEVICE ESPECIALLY FOR CARDAN GASKETS |
| IT05226/76A IT1078568B (en) | 1975-12-17 | 1976-10-27 | SEALING FOR CARDANIC JOINT |
| JP51131792A JPS5273264A (en) | 1975-12-17 | 1976-11-04 | Packing for sealing universal coupling |
| GB50916/76A GB1571189A (en) | 1975-12-17 | 1976-12-07 | Seals for the bearings of hookes joints |
| US05/751,166 US4094517A (en) | 1975-12-17 | 1976-12-16 | Seal for a universal joint |
| JP1982015959U JPS57145827U (en) | 1975-12-17 | 1982-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752556769 DE2556769B1 (en) | 1975-12-17 | 1975-12-17 | SEAL FOR SEALING A UNIVERSAL JOINT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2556769B1 true DE2556769B1 (en) | 1976-12-23 |
Family
ID=5964606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752556769 Ceased DE2556769B1 (en) | 1975-12-17 | 1975-12-17 | SEAL FOR SEALING A UNIVERSAL JOINT |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4094517A (en) |
| JP (2) | JPS5273264A (en) |
| DE (1) | DE2556769B1 (en) |
| FR (1) | FR2336863A7 (en) |
| GB (1) | GB1571189A (en) |
| IT (1) | IT1078568B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2381951A1 (en) * | 1977-02-25 | 1978-09-22 | Loehr & Bromkamp Gmbh | SEALING SEAL FOR THE BEARING CAGE OF THE CROSS-JOINT OF A CROSS-JOINT |
| DE3111145A1 (en) * | 1980-04-05 | 1982-01-14 | Voith Transmit GmbH, 7920 Heidenheim | PINCROSS |
| DE3435437A1 (en) * | 1984-09-27 | 1986-04-03 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | ELASTIC GASKET FOR A ROLLER BEARING JOINT |
| DE3639315C1 (en) * | 1986-11-17 | 1988-04-14 | Gelenkwellenbau Gmbh | Device for sealing a roller bearing, in particular bearing bushes of a universal joint |
| EP0773379A1 (en) | 1995-11-11 | 1997-05-14 | GKN Walterscheid GmbH | Sealing arrangement for a cross-trunnion |
| DE10326978B4 (en) * | 2003-06-12 | 2007-03-08 | Institut für Mikroelektronik- und Mechatronik-Systeme gGmbH | Universal joint |
| DE102014219858A1 (en) * | 2014-09-30 | 2016-03-31 | Aktiebolaget Skf | Universal joint |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2718503A1 (en) * | 1977-04-26 | 1978-11-02 | Schaeffler Ohg Industriewerk | SEALED UNIVERSAL JOINT BUSH |
| US4377312A (en) * | 1981-03-06 | 1983-03-22 | Dana Corporation | Bearing seal |
| FR2526893A1 (en) * | 1982-05-12 | 1983-11-18 | Helfer Sa | Polyamide retaining ring for axle hub bearings with elastomeric seal - to reduce wear on adjacent metal and rubber components |
| US6601855B1 (en) | 1998-10-12 | 2003-08-05 | Freudenberg Nok Gp | Seal for a universal joint |
| DE102006057411A1 (en) * | 2006-12-04 | 2008-06-12 | Ab Skf | Rolling bearings for rotatably supporting a pin |
| CN103952970B (en) * | 2014-04-16 | 2017-02-01 | 天津城建设计院有限公司 | Oversized pier-position pull rod and foundation structure |
| DE102014117840A1 (en) | 2014-12-04 | 2016-06-09 | Rolls-Royce Deutschland Ltd & Co Kg | Device having a rotationally fixed first component and a second component rotatably connected at least in regions to the first component |
| DE102014117841A1 (en) * | 2014-12-04 | 2016-06-09 | Rolls-Royce Deutschland Ltd & Co Kg | Device having a rotationally fixed first component and a second component rotatably connected at least in regions to the first component |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3377820A (en) * | 1966-09-07 | 1968-04-16 | Cleveland Steel Products Corp | Universal joint seal |
| US3592022A (en) * | 1969-12-15 | 1971-07-13 | Borg Warner | Lubricant seal |
| US3810636A (en) * | 1972-02-14 | 1974-05-14 | Reliance Electric Co | Bearing sealing structure |
-
1975
- 1975-12-17 DE DE19752556769 patent/DE2556769B1/en not_active Ceased
-
1976
- 1976-10-15 FR FR7631147A patent/FR2336863A7/en not_active Expired
- 1976-10-27 IT IT05226/76A patent/IT1078568B/en active
- 1976-11-04 JP JP51131792A patent/JPS5273264A/en active Pending
- 1976-12-07 GB GB50916/76A patent/GB1571189A/en not_active Expired
- 1976-12-16 US US05/751,166 patent/US4094517A/en not_active Expired - Lifetime
-
1982
- 1982-02-09 JP JP1982015959U patent/JPS57145827U/ja active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2381951A1 (en) * | 1977-02-25 | 1978-09-22 | Loehr & Bromkamp Gmbh | SEALING SEAL FOR THE BEARING CAGE OF THE CROSS-JOINT OF A CROSS-JOINT |
| DE3111145A1 (en) * | 1980-04-05 | 1982-01-14 | Voith Transmit GmbH, 7920 Heidenheim | PINCROSS |
| DE3435437A1 (en) * | 1984-09-27 | 1986-04-03 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | ELASTIC GASKET FOR A ROLLER BEARING JOINT |
| DE3639315C1 (en) * | 1986-11-17 | 1988-04-14 | Gelenkwellenbau Gmbh | Device for sealing a roller bearing, in particular bearing bushes of a universal joint |
| EP0274584A1 (en) * | 1986-11-17 | 1988-07-20 | Gelenkwellenbau Gesellschaft mit beschränkter Haftung | Device for sealing the bearing cup of a universal joint |
| EP0773379A1 (en) | 1995-11-11 | 1997-05-14 | GKN Walterscheid GmbH | Sealing arrangement for a cross-trunnion |
| DE19542100C1 (en) * | 1995-11-11 | 1997-06-12 | Walterscheid Gmbh Gkn | Sealing arrangement for a trunnion cross |
| DE10326978B4 (en) * | 2003-06-12 | 2007-03-08 | Institut für Mikroelektronik- und Mechatronik-Systeme gGmbH | Universal joint |
| DE102014219858A1 (en) * | 2014-09-30 | 2016-03-31 | Aktiebolaget Skf | Universal joint |
| US10400827B2 (en) | 2014-09-30 | 2019-09-03 | Aktiebolaget Skf | Universal joint |
| DE102014219858B4 (en) | 2014-09-30 | 2021-09-23 | Aktiebolaget Skf | Universal joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57145827U (en) | 1982-09-13 |
| FR2336863A7 (en) | 1977-07-22 |
| JPS5273264A (en) | 1977-06-18 |
| GB1571189A (en) | 1980-07-09 |
| US4094517A (en) | 1978-06-13 |
| IT1078568B (en) | 1985-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8235 | Patent refused |